Johnson Controls HICM008B21S - 4.3 Cleaning Indoor Unit Heat Exchanger; Required Tools and Materials for Cleaning

MAINTENANCE
SM-18003
 4-17
4.3 Cleaning Indoor Unit Heat Exchanger
4.3.1 RequiredToolsforCleaning(FieldSupplied)
No. Remark No. Tool Remark
1 CleaningWaterPump
 Awaterpumpequippedwith
 atankisrecommended.
2 WaterTank
CleanWater
Approx.18liters
3 Nozzle AttachedwithWaterPump
4 Brush
(non-metal)
Iftheheatexchangerisheavily
cloggedwithdust,removeitwith
thisbrush.Thelengthofbrush
shouldbe1to1-3/8inch(25to
35mm).
5 Hosefor
DrainPan
Selectahoseaccordingtosite
requirements.
6 Bucket Approx.5liters(Qty:2)
7 Phillips
Screwdriver
Qty:1
8 Pliers Qty:1
9 Adjustable
Wrench
Qty:1
10 MegohmTester 500V
11 CleaningAgent Selectaneutraltypecleaning
agent.
12 Spray Tospraycleaningwater.
13 AdhesiveTape Totapethevinylsheettoprotect
the room from cleaning water.
14 Rope 3ft7in.(1m),fourpieces
15 VinylSheet Selectavinylsheetwith
1/6inch(0.5mm)thickness.
16 Gloves
17 CleaningWaterCollectororEquivalent
Inner Side of
f
4-3/4(
f
120)holeshould
 becoveredwithfeltsheetto
 insertthespraynozzle.
Insert
the bar.
Insert the bar.
Tr
ansparent
V
inyl Sheet
Boss
Hose
47-1/4
(1200)
47-1/4
(1200)
Bar
f4-3/4
(120)
7-7/8
(200)
39-3/8 (1000)
Example:
Unit: inch (mm)
1-3/8 inch
(30mm)